133 senior fastapi developer jobs at 84 companies in Norwalk, CT
1w
Save
Mark Applied
Hide
Senior Full-Stack Developer (React + Python/FastAPI)
Jersey City or Dallas or Tampa
$75k-$150k/yr HybridFull Time
6+ YOE7+ years full-stack experience with React, Python/FastAPI, SQL, Docker, and cloud; strong design, performance, security, and mentoring skills.
React, Python, FastAPI, SQL, Snowflake, Docker, Nginx, AWS EC2
1mo
Save
Mark Applied
Hide
Senior Software Engineer
New York City or Arizona or California or Colorado or Connecticut or Florida or Georgia or Maine or Maryland or Massachusetts or Michigan or Minnesota or New Jersey or New York or North Carolina or Oregon or Rhode Island or South Carolina or Tennessee or Texas or Virginia or Utah or Wisconsin
$165k-$185k/yr RemoteFull Time
8+ YOE8+ years backend experience with modern Python stack, leadership experience, proficiency in Postgres/SQLAlchemy, AWS, Terraform, FastAPI, React/TypeScript, observability, and familiarity with AI-assisted development.
Python, FastAPI, Pydantic, PostgreSQL, SQLAlchemy, Alembic, Temporal, Redis, AWS RDS, AWS S3, AWS SQS, AWS DynamoDB, AWS ECS, AWS IAM, Terraform, React, TypeScript, Claude Code
1mo
Save
Mark Applied
Hide
Senior Software Engineer, Platform
New York City or United States
$160k-$180k/yr RemoteFull Time
5+ YOE5+ years software development experience, 3+ years Python, backend services with Django/Flask/FastAPI, strong SQL, AWS production experience, observability tooling, on-call participation, and technical leadership on cross-team projects.
Python, Django, Flask, FastAPI, SQL, AWS, Datadog, CloudWatch, Claude Code, Terraform, Docker, Celery, Dyrygent, React
3w
Save
Mark Applied
Hide
Senior Python AI/ML Developer
Jersey City, New Jersey, United States
OnsiteFull Time
8+ YOE8+ years software development experience, strong Python and OOP skills, experience with Django/Flask/FastAPI, REST APIs, relational and NoSQL databases, asynchronous processing, and Git.
Python, Django, Flask, FastAPI, PostgreSQL, MySQL, Oracle, SQL, MongoDB, DynamoDB, Redis, Git
2mo
Save
Mark Applied
Hide
Senior Software Engineer
New York or Israel
HybridFull Time
7+ YOE7+ years building high-performance backend systems; strong Python and FastAPI expertise; experience with PostgreSQL, Redis, GCP, and OpenAI/LLM integrations; architectural leadership and collaboration skills.
Python, FastAPI, PostgreSQL, Redis, OpenAI, GCP, Claude Code, Cursor, Copilot
1w
Save
Mark Applied
Hide
Senior Python Engineer
New York City, New York, United States
RemoteFull Time
5+ YOE5+ years professional software engineering experience; expert Python and FastAPI; production API and PostgreSQL experience; Docker and CI/CD familiarity; experience with ML/AI systems; fluent English.
Python, FastAPI, PostgreSQL, Docker, CI/CD
2d
Save
Mark Applied
Hide
Senior Software Engineer
New York, New York, United States
$137k-$180k/yr HybridFull Time
5+ YOE5+ years full-stack experience with React and Python (Django/FastAPI), REST APIs, relational databases, Docker, cloud (AWS/Azure), CI/CD; strong communication and interest in AI/ML.
React, Python, Django, FastAPI, Docker, AWS, Azure, GitHub Actions, OpenAI, Anthropic, LangGraph, LangChain, Pinecone, Weaviate, Databricks, Snowflake, Airbyte, n8n, Zapier, Temporal
3mo
Save
Mark Applied
Hide
Senior AI Engineer
New York, New York, United States
$120k-$165k/yr OnsiteFull Time
5+ YOE5+ years experience building production-grade Python AI/LLM applications; hands-on with FastAPI/Flask, SQL, concurrency, testing, production reliability, and mentoring; experience with cloud-native and container technologies preferred.
Python, FastAPI, Flask, SQL, Large Language Models (LLM), OpenTelemetry, Grafana, Prometheus, Docker, Kubernetes, Kafka, Redis, Jenkins, GitHub Actions
2mo
Save
Mark Applied
Hide
Senior Platform Engineer
Atlanta or Boston or Chicago or Dallas or New York
HybridFull Time
6+ YOE6+ years backend platform engineering; Kubernetes, Python, Postgres, Kafka, Redis; security and AI tooling.
Python, FastAPI, Pydantic, SQLAlchemy, Alembic, PostgreSQL, Redis, Kafka, Docker, Kubernetes, OpenTelemetry, Prometheus, Helm, Vault, Azure Key Vault, Azure Monitor
3mo
Save
Mark Applied
Hide
Senior Software Engineer
New York, New York, United States
$173k-$193k/yr HybridFull Time
5+ YOE5+ years engineering experience; strong Python and Django; production experience with LLMs and distributed systems; REST/GraphQL API design; strong communication and ownership.
Python, Django, FastAPI, LLMs, SQL, Redis, Celery, REST, GraphQL
6d
Save
Mark Applied
Hide
Senior RAG Engineer
New York or Norway or Sweden or Ireland or United States
RemoteFull Time
5+ YOE5+ years building backend production systems with 2+ years shipping retrieval/RAG; strong Python and FastAPI; experience running vector indexes (Qdrant), embeddings, PostgreSQL/Redis, OCR-heavy ingestion and IR metrics.
Python, FastAPI, Qdrant, PostgreSQL, Redis
1mo
Save
Mark Applied
Hide
Senior Fullstack Engineer
New York, New York, United States
$112k-$180k/yr HybridFull Time
6+ YOE6+ years building internal/enterprise web apps; strong front-end (React, TypeScript, Next.js), backend Python with async frameworks (FastAPI), REST/JSON, and SQL; experience with job orchestration, long-running workflows, and cloud data platforms.
React, TypeScript, Next.js, Python, FastAPI, REST APIs, JSON, SQL, Databricks, AWS, Google Cloud, CI/CD, Genie
2mo
Save
Mark Applied
Hide
Senior Research Engineer - Experimental Engineering
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Senior research engineer with deep full-stack software engineering experience, strong applied AI/ML knowledge, prototyping and R&D experience, Python/FastAPI and frontend (React/React Native) familiarity, and ability to lead experiments and mentor engineers.
AI, Machine Learning, Python, FastAPI, React, React Native, RAG
1mo
Save
Mark Applied
Hide
Senior AI Engineer
United States or New York City or Palm Beach or Los Angeles or Miami or Greenwich or Westchester County or The Hamptons or San Francisco or Manhattan
$190k-$250k/yr RemoteFull Time
4+ YOE4+ years building and operating LLM-powered production ML systems, strong Python, backend framework experience (FastAPI/Flask), LLM orchestration and retrieval design, Snowflake/dbt/Dagster/Airflow familiarity, evaluation systems, HIPAA/PHI knowledge, and strong written communication.
Python, FastAPI, Flask, Snowflake, dbt, Dagster, Airflow, vLLM, Triton, TGI, SGLang, LOINC, SNOMED CT, ICD-10, RxNorm, FHIR, HL7
2mo
Save
Mark Applied
Hide
Senior AI Engineer
Zurich or Toronto or New York City or London or Berlin or Manila or Tokyo
HybridFull Time
5+ YOE5+ years software engineering experience with 2–3 years building AI agents; experience with LangChain/LangGraph, Model Context Protocol (MCP)/FastMCP, Databricks or Snowflake, Python, FastAPI, Postgres, gRPC, AWS, and observability tools (LangSmith/LangFuse). Master's preferred; valid work permit required.
Model Context Protocol (MCP), FastMCP, Databricks, Snowflake, LangChain, LangGraph, LangSmith, LangFuse, Python, FastAPI, gRPC, Postgres, SQLAlchemy, AWS, AWS Bedrock, Bedrock AgentCore, Kubernetes, Claude Code, Cursor
1mo
Save
Mark Applied
Hide
Backend Engineer (Senior/Staff)
New York City, New York, United States
$175k-$225k/yr RemoteFull Time
5+ YOE5–10+ years backend engineering experience; strong backend systems, data modeling, and compliance logic; proficiency with Python (FastAPI, Pydantic, pandas, duckdb), Postgres/SQL, and AWS; strong communication and ownership.
Python, FastAPI, Pydantic, pandas, duckdb, Postgres, SQL, AWS, LLMs, Playwright
2mo
Save
Mark Applied
Hide
Senior AI Engineer
Plano or Purchase or Chicago
$111k-$185k/yr HybridFull Time
8+ YOESenior AI Engineer with 8+ years in software lifecycle, ML/AI, and production-grade agent systems; strong Python/Java, distributed systems, and ML Ops experience.
Python, Java, FastAPI, asyncio, Pydantic, LangChain, LangGraph, CrewAI, MLflow, Arise, Docker, Kubernetes, Ray, Kafka, gRPC, Redis, Prometheus, OpenTelemetry, Grafana, Temporal, MEM0, Temporal Agentic Memory, Graph and Vector DBs
2mo
Save
Mark Applied
Hide
Senior Software Engineer - Platform & Infrastructure
New York City, New York, United States
$160k-$200k/yr RemoteFull Time
5+ YOE5+ years software engineering experience with infrastructure, platform, or reliability focus; cloud (AWS), IaC (Pulumi/Terraform), modern CI/CD; strong security mindset; observability and SRE practices; collaborate with product teams.
AWS, Pulumi, PostgreSQL, ECS, Docker, Temporal, Python, FastAPI, SQLAlchemy, Datadog, PagerDuty, GitHub Actions, Auth0, Vanta, Fern
1mo
Save
Mark Applied
Hide
Senior Python Engineer - Applications Development Sr Programmer Analyst - C12 - RUTHERFORD
Rutherford, New Jersey, United States
$121k-$182k/yr HybridFull Time
8+ YOE8+ years application development, 5+ years Python/PySpark leadership; design and build scalable data pipelines, AI agent deployment, Databricks, Kafka, FastAPI, microservices, data mesh, SQL, and cloud platforms.
Python, FAST API, Microservices, PySpark, pyspark, Kafka, Databricks, Google ADK, Google Flash 2.5+ LLMs, Devin.AI, Github Copilot, MCP, YAML, JSON, Spring boot, Starburst, Cloudera, AWS, Azure, GCP, Angular, React JS, Docker, openshift, Kubernates, CI/CD, SQL
1mo
Save
Mark Applied
Hide
Senior Software Engineer, Engine & Distributed Systems
San Francisco or New York City
$220k-$240k/yr HybridFull Time
5+ YOE5+ years building backend distributed systems; experience with durable execution/workflow orchestration (Temporal, Cadence, Airflow), strong Python and FastAPI skills, Postgres familiarity, concurrency, fault tolerance, and recovery.
Temporal, Cadence, Airflow, Python, FastAPI, Postgres, PydanticAI, LangGraph
Explore Jobs
Expand Your Job Search
Top Cities Near Norwalk for Senior Fastapi Developer
- Senior Fastapi Developer jobs in New York, NY
- Senior Fastapi Developer jobs in Brooklyn, NY
- Senior Fastapi Developer jobs in Queens, NY
- Senior Fastapi Developer jobs in Manhattan, NY
- Senior Fastapi Developer jobs in The Bronx, NY
- Senior Fastapi Developer jobs in Newark, NJ
- Senior Fastapi Developer jobs in Jersey City, NJ
- Senior Fastapi Developer jobs in Yonkers, NY
- Senior Fastapi Developer jobs in Paterson, NJ
- Senior Fastapi Developer jobs in Bridgeport, CT
- Senior Fastapi Developer jobs in New Haven, CT
- Senior Fastapi Developer jobs in Stamford, CT
- Senior Fastapi Developer jobs in Waterbury, CT
- Senior Fastapi Developer jobs in Greenburgh, NY
- Senior Fastapi Developer jobs in Clifton, NJ
- Senior Fastapi Developer jobs in Danbury, CT
- Senior Fastapi Developer jobs in New Rochelle, NY
- Senior Fastapi Developer jobs in New Britain, CT
- Senior Fastapi Developer jobs in Passaic, NJ
- Senior Fastapi Developer jobs in Union City, NJ